import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Scanner;    public class Inout {   public static void main(String[] args) {charTest();  //调用System.in方法   readTest();  //调用ReadTest方法   scannerTest();//调用ScannerTest方法
  }   /**  * System.in和System.out方法  * 缺点一: 该方法能获取从键盘输入的字符，但只能针对一个字符的获取  * 缺点二: 获取的只是char类型的。如果想获得int,float等类型的输入,比较麻烦。  */  public static void charTest(){    try{   System.out.print("Enter a Char:");   char i = (char)System.in.read();   System.out.println("Yout Enter Char is:" + i);   }   catch(IOException e){   e.printStackTrace();   }   }   /**  * InputStreamReader和BufferedReader方法  * 优点: 可以获取键盘输入的字符串  * 缺点: 如何要获取的是int,float等类型的仍然需要转换  */  public static void readTest(){   System.out.println("ReadTest, Please Enter Data:");   InputStreamReader is = new InputStreamReader(System.in);  //new构造InputStreamReader对象   BufferedReader br = new BufferedReader(is);  //拿构造的方法传到BufferedReader中   try{  //该方法中有个IOExcepiton需要捕获   String name = br.readLine();   System.out.println("ReadTest Output:" + name);   }   catch(IOException e){   e.printStackTrace();   }   }   /**  * Scanner类中的方法  * 优点一: 可以获取键盘输入的字符串  * 优点二: 有现成的获取int,float等类型数据，非常强大，也非常方便；  */  public static void scannerTest(){   Scanner sc = new Scanner(System.in);   System.out.println("ScannerTest, Please Enter Name:");   String name = sc.nextLine();  //读取字符串型输入   System.out.println("ScannerTest, Please Enter Age:");   int age = sc.nextInt();  //读取整型输入   System.out.println("ScannerTest, Please Enter Salary:");   float salary = sc.nextFloat();  //读取float型输入   System.out.println("Your Information is as below:");   System.out.println("Name:" + name +"\n" + "Age:" + age + "\n"+"Salary:" + salary);}
} 

import java.io.Console;
import java.io.PrintWriter;public class TestConsole {public static void main(String[] args) {Console cons = System.console();if (cons != null) {PrintWriter printWriter = cons.writer();printWriter.write("input:");cons.flush();String str1 = cons.readLine();cons.format("%s", str1);}}
}